package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.github.xiaoymin.knife4j.core.util.CollectionUtils;
import com.sky.constant.MessageConstant;
import com.sky.context.BaseContext;
import com.sky.dto.*;
import com.sky.entity.*;
import com.sky.exception.AddressBookBusinessException;
import com.sky.exception.OrderBusinessException;
import com.sky.mapper.*;
import com.sky.result.PageResult;
import com.sky.service.AddressBookService;
import com.sky.service.CategoryService;
import com.sky.service.OrderService;
import com.sky.utils.HttpClientUtil;
import com.sky.utils.WeChatPayUtil;
import com.sky.vo.OrderPaymentVO;
import com.sky.vo.OrderStatisticsVO;
import com.sky.vo.OrderSubmitVO;
import com.sky.vo.OrderVO;
import com.sky.websocket.WebSocketServer;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.CustomAutowireConfigurer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

@Service
@Slf4j
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderMapper orderMapper;

    @Autowired
    private OrderDetailMapper orderDetailMapper;
    @Autowired
    private AddressBookMapper addressBookMapper;
    @Autowired
    private ShoppingCartMapper shoppingCartMapper;
    @Autowired
    private WeChatPayUtil weChatPayUtil;

    @Autowired
    private UserMapper userMapper;
    @Value("${sky.shop.address}")
    private String shopAddress;

    @Value("${sky.baidu.ak}")
    private String ak;
    @Autowired
    private WebSocketServer webSocketServer;
    private  Orders orders;


    @Transactional
    public OrderSubmitVO submitOrder(OrdersSubmitDTO orderSubmitDto) {

        Long addressBookId = orderSubmitDto.getAddressBookId();
        AddressBook byId = addressBookMapper.getById(addressBookId);
        if (byId == null) {
            throw new AddressBookBusinessException(MessageConstant.ADDRESS_BOOK_IS_NULL);
        }
        String s = shopAddress.split("省")[0] + "省";
        if(!byId.getProvinceName().equals(s)){
            throw new AddressBookBusinessException("超出配送范围");
        }
        /*checkOutOfRange(byId.getProvinceName());*/
        Long currentId = BaseContext.getCurrentId();
        ShoppingCart shoppingCart = new ShoppingCart();
        shoppingCart.setUserId(currentId);
        List<ShoppingCart> list = shoppingCartMapper.list(shoppingCart);
        if(list ==null|| list.size()==0){
            throw new AddressBookBusinessException(MessageConstant.SHOPPING_CART_IS_NULL);
        }

        Orders order=new Orders();
        BeanUtils.copyProperties(orderSubmitDto,order);
        order.setUserId(currentId);
        order.setNumber(String.valueOf(System.currentTimeMillis()));
        order.setOrderTime(LocalDateTime.now());
        order.setPhone(byId.getPhone());
        order.setPayStatus(Orders.UN_PAID);
        order.setStatus(Orders.PENDING_PAYMENT);
        order.setConsignee(byId.getConsignee());


        orderMapper.insert(order);
        List<OrderDetail> orderDetailList = new ArrayList<>();
        for (ShoppingCart cart : list) {
            OrderDetail orderDetail = new OrderDetail();
            BeanUtils.copyProperties(cart,orderDetail);
            orderDetail.setOrderId(order.getId());
            orderDetailList.add(orderDetail);
        }

        orderDetailMapper.insertBatch(orderDetailList);

        shoppingCartMapper.deleteByUserId(currentId);
        OrderSubmitVO build = OrderSubmitVO.builder()
                .id(order.getId())
                .orderAmount(order.getAmount())
                .orderNumber(order.getNumber())
                .orderTime(order.getOrderTime()).build();

        this.orders=order;
        return build;
    }
    /**
     * 订单支付
     * @param ordersPaymentDTO
     * @return
     */
    @Override
    public OrderPaymentVO payment(OrdersPaymentDTO ordersPaymentDTO) throws Exception{
        // 当前登录用户id
        Long userId = BaseContext.getCurrentId();
        User user = userMapper.getById(userId);

        //调用微信支付接口，生成预支付交易单
        /*JSONObject jsonObject = weChatPayUtil.pay(
                ordersPaymentDTO.getOrderNumber(), //商户订单号
                new BigDecimal(0.01), //支付金额，单位 元
                "苍穹外卖订单", //商品描述
                user.getOpenid() //微信用户的openid
        );

        if (jsonObject.getString("code") != null && jsonObject.getString("code").equals("ORDERPAID")) {
            throw new OrderBusinessException("该订单已支付");
        }*/

        JSONObject jsonObject = new JSONObject();
        jsonObject.put("code", "ORDERPAID");
        OrderPaymentVO vo = jsonObject.toJavaObject(OrderPaymentVO.class);
        vo.setPackageStr(jsonObject.getString("package"));

        //为替代微信支付成功后的数据库订单状态更新，多定义一个方法进行修改
        Integer OrderPaidStatus = Orders.PAID; //支付状态，已支付
        Integer OrderStatus = Orders.TO_BE_CONFIRMED;  //订单状态，待接单

        //发现没有将支付时间 check_out属性赋值，所以在这里更新
        LocalDateTime check_out_time = LocalDateTime.now();
        log.info("调用updateStatus，用于替换微信支付更新数据库状态的问题");
        orderMapper.updateStatus(OrderStatus, OrderPaidStatus, check_out_time,this.orders.getId());



        Map map = new HashMap();
        map.put("type",1);
        map.put("orderId",this.orders.getId());
        map.put("content","订单号："+this.orders.getNumber());
        String jsonString = JSON.toJSONString(map);
        webSocketServer.sendToAllClient(jsonString);
        return vo;
    }


    /**
     * 支付成功，修改订单状态
     *
     * @param outTradeNo
     */
    public void paySuccess(String outTradeNo) {

        // 根据订单号查询订单
        Orders ordersDB = orderMapper.getByNumber(outTradeNo);

        // 根据订单id更新订单的状态、支付方式、支付状态、结账时间
        Orders orders = Orders.builder()
                .id(ordersDB.getId())
                .status(Orders.TO_BE_CONFIRMED)
                .payStatus(Orders.PAID)
                .checkoutTime(LocalDateTime.now())
                .build();

    }

    @Override
    public PageResult pageQuery4User(int pageNum, int pageSize, Integer status) {

        OrdersPageQueryDTO ordersPageQueryDTO = new OrdersPageQueryDTO();
        ordersPageQueryDTO.setStatus(status);
        PageHelper.startPage(pageNum, pageSize);
        Page<Orders> page = orderMapper.pageQuery(ordersPageQueryDTO);
        List<OrderVO> list = new ArrayList();

        // 查询出订单明细，并封装入OrderVO进行响应
        if (page != null && page.getTotal() > 0) {
            for (Orders orders : page) {
                Long orderId = orders.getId();// 订单id

                // 查询订单明细
                List<OrderDetail> orderDetails = orderDetailMapper.getByOrderId(orderId);

                OrderVO orderVO = new OrderVO();
                BeanUtils.copyProperties(orders, orderVO);
                orderVO.setOrderDetailList(orderDetails);

                list.add(orderVO);
            }
        }
        return new PageResult(page.getTotal(), list);
    }

    @Override
    public OrderVO detail(Long id) {
        OrderVO orderVO = new OrderVO();
        Orders orders =orderMapper.getById(id);
        List<OrderDetail> orderDetailList = orderDetailMapper.getByOrderId(orders.getId());
        BeanUtils.copyProperties(orders,orderVO);
        orderVO.setOrderDetailList(orderDetailList);
        return orderVO;
    }

    @Override
    public void userCanelById(Long id) {
        Orders orders = orderMapper.getById(id);
        if (orders != null) {
            if (orders.getStatus() <4) {
                orders.setStatus(Orders.CANCELLED);
                orders.setCancelReason("用户取消");
                orders.setCancelTime(LocalDateTime.now());
                orderMapper.update(orders);
            } else {
                throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);

            }
        }
    }

    @Override
    public void repetition(Long id) {
        // 查询当前用户id
        Long userId = BaseContext.getCurrentId();

        // 根据订单id查询当前订单详情
        List<OrderDetail> orderDetailList = orderDetailMapper.getByOrderId(id);

        // 将订单详情对象转换为购物车对象
        List<ShoppingCart> shoppingCartList = orderDetailList.stream().map(x -> {
            ShoppingCart shoppingCart = new ShoppingCart();

            // 将原订单详情里面的菜品信息重新复制到购物车对象中
            BeanUtils.copyProperties(x, shoppingCart, "id");
            shoppingCart.setUserId(userId);
            shoppingCart.setCreateTime(LocalDateTime.now());

            return shoppingCart;
        }).collect(Collectors.toList());

        // 将购物车对象批量添加到数据库
        shoppingCartMapper.insertBatch(shoppingCartList);
    }

    @Override
    public PageResult conditionSearch(OrdersPageQueryDTO ordersPageQueryDTO) {
        PageHelper.startPage(ordersPageQueryDTO.getPage(), ordersPageQueryDTO.getPageSize());
        Page<Orders> orders = orderMapper.pageQuery(ordersPageQueryDTO);
/*        List<OrderVO> list = getOrderVOList(orders);*/
        return new PageResult(orders.getTotal(), orders.getResult());
    }


    /*private List<OrderVO> getOrderVOList(Page<Orders> page) {
        // 需要返回订单菜品信息，自定义OrderVO响应结果
        List<OrderVO> orderVOList = new ArrayList<>();

        List<Orders> ordersList = page.getResult();
        if (!CollectionUtils.isEmpty(ordersList)) {
            for (Orders orders : ordersList) {
                // 将共同字段复制到OrderVO
                OrderVO orderVO = new OrderVO();
                BeanUtils.copyProperties(orders, orderVO);
                String orderDishes = getOrderDishesStr(orders);

                // 将订单菜品信息封装到orderVO中，并添加到orderVOList
                orderVO.setOrderDishes(orderDishes);
                orderVOList.add(orderVO);
            }
        }
        return orderVOList;
    }

    *//**
     * 根据订单id获取菜品信息字符串
     *
     * @param
     * @return
     *//*
    private String getOrderDishesStr(Orders orders) {
        // 查询订单菜品详情信息（订单中的菜品和数量）
        List<OrderDetail> orderDetailList = orderDetailMapper.getByOrderId(orders.getId());

        // 将每一条订单菜品信息拼接为字符串（格式：宫保鸡丁*3；）
        List<String> orderDishList = orderDetailList.stream().map(x -> {
            String orderDish = x.getName() + "*" + x.getNumber() + ";";
            return orderDish;
        }).collect(Collectors.toList());

        // 将该订单对应的所有菜品信息拼接在一起
        return String.join("", orderDishList);
    }
*/
    @Override
    public OrderStatisticsVO statistics() {
/*        List<Orders> orders =orderMapper.selectAll();
        Integer toBeConfirmed = 0;
        Integer confirmed = 0;
        Integer deliveryInProgress = 0;
        for (Orders order : orders) {
            if(order.getStatus()==Orders.TO_BE_CONFIRMED){
                toBeConfirmed++;
            }
            if(order.getStatus()==Orders.CONFIRMED){
                confirmed++;
            }if(order.getStatus()==Orders.DELIVERY_IN_PROGRESS){
                deliveryInProgress++;
            }
        }*/
        // 根据状态，分别查询出待接单、待派送、派送中的订单数量
        Integer toBeConfirmed = orderMapper.countStatus(Orders.TO_BE_CONFIRMED);
        Integer confirmed = orderMapper.countStatus(Orders.CONFIRMED);
        Integer deliveryInProgress = orderMapper.countStatus(Orders.DELIVERY_IN_PROGRESS);

        OrderStatisticsVO orderStatisticsVO = new OrderStatisticsVO();
        orderStatisticsVO.setConfirmed(confirmed);
        orderStatisticsVO.setDeliveryInProgress(deliveryInProgress);
        orderStatisticsVO.setToBeConfirmed(toBeConfirmed);
        return orderStatisticsVO;
    }

    @Override
    public void confirm(OrdersConfirmDTO ordersConfirm) {
        Orders orders = Orders.builder()
                .id(ordersConfirm.getId())
                .status(Orders.CONFIRMED)
                .build();

        orderMapper.update(orders);
    }

    @Override
    public void rejection(OrdersRejectionDTO ordersRejectionDTO) {

        Orders orders = orderMapper.getById(ordersRejectionDTO.getId());
        if(orders.getStatus()!=Orders.TO_BE_CONFIRMED||orders==null){
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }else{
            orders = Orders.builder()
                    .id(ordersRejectionDTO.getId())
                    .status(Orders.CANCELLED)
                    .rejectionReason(ordersRejectionDTO.getRejectionReason())
                    .cancelTime(LocalDateTime.now())
                    .build();

        }

        orderMapper.update(orders);
    }

    @Override
    public void cancel(OrdersCancelDTO ordersCancelDTO) {
        // 根据id查询订单
        Orders ordersDB = orderMapper.getById(ordersCancelDTO.getId());
        // 管理端取消订单需要退款，根据订单id更新订单状态、取消原因、取消时间
        Orders orders = new Orders();
        orders.setId(ordersCancelDTO.getId());
        orders.setStatus(Orders.CANCELLED);
        orders.setCancelReason(ordersCancelDTO.getCancelReason());
        orders.setCancelTime(LocalDateTime.now());
        orderMapper.update(orders);
    }

    @Override
    public void delivery(Long id) {
// 根据id查询订单
        Orders ordersDB = orderMapper.getById(id);

        // 校验订单是否存在，并且状态为3
        if (ordersDB == null || !ordersDB.getStatus().equals(Orders.CONFIRMED)) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }

        Orders orders = new Orders();
        orders.setId(ordersDB.getId());
        // 更新订单状态,状态转为派送中
        orders.setStatus(Orders.DELIVERY_IN_PROGRESS);

        orderMapper.update(orders);
    }

    /**
     * 完成订单
     *
     * @param id
     */
    public void complete(Long id) {
        // 根据id查询订单
        Orders ordersDB = orderMapper.getById(id);

        // 校验订单是否存在，并且状态为4
        if (ordersDB == null || !ordersDB.getStatus().equals(Orders.DELIVERY_IN_PROGRESS)) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }

        Orders orders = new Orders();
        orders.setId(ordersDB.getId());
        // 更新订单状态,状态转为完成
        orders.setStatus(Orders.COMPLETED);
        orders.setDeliveryTime(LocalDateTime.now());

        orderMapper.update(orders);
    }


    public void reminder(Long id) {
        Orders byId = orderMapper.getById(id);
        if(byId==null){
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);

        }
        Map map = new HashMap<>();
        map.put("tyoe",2);
        map.put("orderId",id);
        map.put("content","订单号"+byId.getNumber());
        String jsonString = JSON.toJSONString(map);
        webSocketServer.sendToAllClient(jsonString);
    }

    /**
     * 检查客户的收货地址是否超出配送范围
     * @param address
     */
    private void checkOutOfRange(String address) {

//        Map map = new HashMap();
//        map.put("address",shopAddress);
//

//        map.put("output","json");
//        map.put("ak",ak);

        //获取店铺的经纬度坐标
//        String shopCoordinate = HttpClientUtil.doGet("https://api.map.baidu.com/geocoding/v3", map);
//
//        JSONObject jsonObject = JSON.parseObject(shopCoordinate);
//        if(!jsonObject.getString("status").equals("0")){
//            throw new OrderBusinessException("店铺地址解析失败");
//        }

/*        //数据解析
        JSONObject location = jsonObject.getJSONObject("result").getJSONObject("location");
        String lat = location.getString("lat");
        String lng = location.getString("lng");
        //店铺经纬度坐标
        String shopLngLat = lat + "," + lng;

        map.put("address",address);
        //获取用户收货地址的经纬度坐标
        String userCoordinate = HttpClientUtil.doGet("https://api.map.baidu.com/geocoding/v3", map);

        jsonObject = JSON.parseObject(userCoordinate);
        if(!jsonObject.getString("status").equals("0")){
            throw new OrderBusinessException("收货地址解析失败");
        }

        //数据解析
        location = jsonObject.getJSONObject("result").getJSONObject("location");
        lat = location.getString("lat");
        lng = location.getString("lng");
        //用户收货地址经纬度坐标
        String userLngLat = lat + "," + lng;

        map.put("origin",shopLngLat);
        map.put("destination",userLngLat);
        map.put("steps_info","0");

        //路线规划
        String json = HttpClientUtil.doGet("https://api.map.baidu.com/directionlite/v1/driving", map);

        jsonObject = JSON.parseObject(json);
        if(!jsonObject.getString("status").equals("0")){
            throw new OrderBusinessException("配送路线规划失败");
        }*/

        //数据解析
/*        JSONObject result = jsonObject.getJSONObject("result");
        JSONArray jsonArray = (JSONArray) result.get("routes");
        Integer distance = (Integer) ((JSONObject) jsonArray.get(0)).get("distance");

        if(distance > 5000){
            //配送距离超过5000米
            throw new OrderBusinessException("超出配送范围");
        }*/
    }


}
